<div id='editor'>
	<p>Foo</p>
	<ul>
		<li>one</li>
		<li>two</li>
		<li>three</li>
	</ul>
</div>

<script>
	CKEDITOR.replace('editor', {
		allowedContent: 'p{text-align};ul li;'
	});
</script>
